David Reynolds Books

NASA's Apollo answered President Kennedy's 1961 directive to land a man on the moon and return him safely to Earth by the end of the decade. The astronauts, scientists, and mission control operator...

From World War To Cold War

By David Reynolds

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The 1940s was probably the most dramatic and decisive decade of the 20th century. This volume explores the Second World War and the origins of the Cold War from the vantage point of two of the grea...

Failure-free education?

By David Reynolds

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Naikan psychotherapy

By David K. Reynolds

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.